MONO91 Conclusion chapter Mary Elizabeth Stevens National Bureau of Standards advent of versatile character readers and inexpensive, very large capacity, rapid direct access memories. These efforts will include not only further systematic exploration of syntactic, semantic and pragmatic considerations in linguistic data processing, but also further attacks on the problems of language and meaning themselves. Thus, we may con- clude with Maron that: "automatic indexing represents the opening wedge in ageneralattack at not only the problems of identification search and retrieval, but also the problem of automatically transforming information on the basis of its content." 1/ If we are to attempt to solve this problem, as indeed we should, must we not look forward to the possibilities of rapid up-dating, thesaurus growth and revision, and quick and economical re-indexings of entire collections that only machine[OCRerr]processing capabilities can promise today? AC KNOWLEDGE MENT S The contributions of Miss Josephine L. Walkowicz and her staff in the preparation and checking of items for the bibliography, and of Mrs. Betty J. Anderson, Mrs. Helen B. Grantham, and Mrs. Anna K. Smilow in the typing and editing of the manuscript are gratefully acknowledged. The courtesy of Miss Thyllis Williams, Mr. Joseph Becker, Mr. Herbert Ohlman, and the late Hans Peter Luhn in making available unpublished materials is also gratefully acknowledged. 1/ Maron, 1961. L395 A[OCRerr] P 240. See also Salton, 1962 [518j, p.234 and Borko and Bernick, 1962 [OCRerr] 77 [OCRerr] p.3 182